<template>
   <div>
       <city-header></city-header>
       <city-search :cities="cities"></city-search>
       <city-list :cities="cities" :hotCities="hotCities" :letter="letter"></city-list>
       <city-alphabet :cities="cities" @change="handleLetterChange"></city-alphabet>
   </div> 
</template>
<script>
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
import axios from 'axios'
export default {
    name:'City',
    data () {
        return {
            cities:{},
            hotCities:[],
            letter:''
        }
    },
    components:{
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
    },
    mounted () {
        this.getCityList()
    },
    methods: {
        getCityList(){
            axios.get('/api/city.json').then((res)=>{
                res = res.data
                if(res.ret){
                    const data = res.data
                    this.cities = data.cities
                    this.hotCities = data.hotCities
                }
            }).catch((err)=>{
                console.log(err)
            })
        },
        handleLetterChange (letter) {
            //console.log(letter) Alphabet组件传过来
            this.letter = letter
        }
    }
}
</script>
<style lang="stylus">

</style>